Stock material or miscellaneous articles – Three dimension imitation or 'treated' natural product – Flora
Patent
1983-08-12
1985-03-19
McCamish, Marion E.
Stock material or miscellaneous articles
Three dimension imitation or 'treated' natural product
Flora
428 95, 428215, 428218, B32B 702
Patent
active
045059608
ABSTRACT:
Unitary, shock-absorbing polymeric pads having a vertically asymmetric compression resistance which are useful for recreational surfaces, for instance under artificial turf.
REFERENCES:
patent: 2515847 (1950-07-01), Winkler
patent: 3573147 (1971-03-01), Elbert
patent: 3574107 (1971-04-01), Hurka
patent: 3661687 (1972-05-01), Spinney, Jr. et al.
patent: 3801421 (1974-04-01), Allen et al.
patent: 3900656 (1975-08-01), Schmidt
patent: 3975562 (1976-08-01), Madebach et al.
patent: 4147828 (1979-04-01), Heckel
patent: 4268551 (1981-05-01), Moore, Jr.
American Society for Testing and Materials (ASTM) Standard Specification D 1667-76.
American Society for Testing and Materials (ASTM) Standard Test Method F 355-78.
Kelley Thomas E.
McCamish Marion E.
Monsanto Company
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